Global Patent Index - EP 4023915 A1

EP 4023915 A1 20220706 - DUAL GATE VALVE

Title (en)

DUAL GATE VALVE

Title (de)

DOPPELTER ABSPERRSCHIEBER

Title (fr)

SOUPAPE À DOUBLE GRILLE

Publication

EP 4023915 A1 20220706 (EN)

Application

EP 21213049 A 20211208

Priority

JP 2020212602 A 20201222

Abstract (en)

To obtain a gate valve for opening and closing two openings of a valve box with two valve plates. A dual gate valve includes two valve plates 4, 4 that open and close two openings 3, 3 of a valve box 2, a support bar 5 that supports the two valve plates 4, 4, a valve rod 6 connected to the support bar 5, and an operation unit 7 that performs an open and close operation of the two valve plates 4, 4 via the valve rod 6. The support bar 5 and the valve plate 4 linearly and elongatedly extend in a lateral direction perpendicular to a central axis L of the valve rod 6. The valve rod 6 is connected to a central portion in the long direction of the support bar 5, and one and the other of the two valve plates 4, 4 are tiltably attached to one end and the other end in the long direction of the support bar 5 via elastic members 12, 12, respectively.

IPC 8 full level

F16K 3/02 (2006.01)

CPC (source: CN EP KR US)

F16K 3/0272 (2013.01 - US); F16K 3/029 (2013.01 - CN EP KR US); F16K 3/16 (2013.01 - CN); F16K 3/18 (2013.01 - EP US); F16K 3/314 (2013.01 - CN EP US); F16K 31/50 (2013.01 - KR); F16K 31/528 (2013.01 - KR); F16K 51/02 (2013.01 - EP US); F16K 2200/101 (2021.08 - EP US)

Citation (applicant)

JP 2010121682 A 20100603 - SMC CORP

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 4023915 A1 20220706; EP 4023915 B1 20240918; CN 114658873 A 20220624; JP 2022098925 A 20220704; JP 7089245 B1 20220622; KR 20220090434 A 20220629; TW 202233979 A 20220901; US 11668401 B2 20230606; US 2022196156 A1 20220623

DOCDB simple family (application)

EP 21213049 A 20211208; CN 202111567860 A 20211221; JP 2020212602 A 20201222; KR 20210179651 A 20211215; TW 110144989 A 20211202; US 202117644161 A 20211214